Gunstock



FIG. 1 is a front perspective view of gunstock showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken line in the drawings depicts unclaimed portion of the gunstock only and forms no part of the claimed design. 

CLAIM The ornamental design for a gunstock, as shown and described. 